The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

Featuring the last fully walkable parapet walkway in Europe.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This massive subterranean fissure is known as the "underground Grand Canyon."

A public work of art that also provides some relief from the summer heat.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Budapest's Communist-era statues, banished to the suburbs.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This spooky statue sits outside a famous Prague theater.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Go surfing on this urban wave, "hacked" by local surfers.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

A surreal statue honoring Prague's favorite literary son.

Steadily reminding Czechia of its past.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.